13813146916 has 12 divisors (see below), whose sum is σ = 24335243100. Its totient is φ = 6860220320.

The previous prime is 13813146887. The next prime is 13813146929. The reversal of 13813146916 is 61964131831.

It can be written as a sum of positive squares in 2 ways, for example, as 942244416 + 12870902500 = 30696^2 + 113450^2 .

It is a super-2 number, since 2×13813146916² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11587615 + ... + 11588806.

It is an arithmetic number, because the mean of its divisors is an integer number (2027936925).

Almost surely, 2^13813146916 is an apocalyptic number.

It is an amenable number.

13813146916 is a deficient number, since it is larger than the sum of its proper divisors (10522096184).

13813146916 is a wasteful number, since it uses less digits than its factorization.

13813146916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23176574 (or 23176572 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The spelling of 13813146916 in words is "thirteen billion, eight hundred thirteen million, one hundred forty-six thousand, nine hundred sixteen".